Для SLE 12 SP3 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:saltstack:products:old:testing/SLE_12_SP3/systemsmanagement:saltstack:products:old:testing.repo
zypper refresh
zypper install python-pyinotify
Для SLE 11 SP4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:saltstack:products:old:testing/SLE_11_SP4/systemsmanagement:saltstack:products:old:testing.repo
zypper refresh
zypper install python-pyinotify